Block Diagram Audio & Control - Philips LC4.41E Service Manual

Block Diagrams, Test Point Overviews, and Waveforms
Block Diagram Audio & Control
AUDIO
B1 TUNER & IF
1152
UV1318S
F158
2156
1156
4
11 IF-TER 1
RF IN IFOUT
2
TUNER 5
3
7151
4
5
SEL_IF_SDM
B2
B15A B14
SCART ANALOG-IO DIGITAL IO
7F03
1G01-1 74HC4052D
1
6
AV1_Audio_INL 1
MULTI
PLEXER
2 AV1_Audio_INR 12
SIDE_AudioINL 4
21
EXT 1 3
SIDE_AudioINR
11
SCART 1
13
DMMI_AudioINL 5
DMMI_AudioINR 14
1G02-1
1
6 AV2_Audio_INL 2
2 AV2_Audio_INR 15
10 9 Analog_AudioSEL1
21
EXT 2
Analog_AudioSEL2
SCART 2
1G02-2
HD_AudioINL HD_AudioINL
AUDIO
L/R IN HD_AudioINR HD_AudioINR
1F01
DVI_D_AudioINL DVI_D_AudioINL
AUDIO
L/R IN DVI_D_AudioINR
DVI_D_AudioINR
D SIDE AV B17 SIDE CONNECTORS
1002 1M36 1K04
L 6 6 SIDE_AudioINL
AUDIO
R 8 8 SIDE_AudioINR
L/R IN
B14 DIGITAL IO B12 HDMI
1F02
7D03
7D04
TDA9975 UDA1334ATS
HDMI_A HDMI DAC
HDMI 1
A5 1
1F03 A7 3
10-BIT
B7 2
VIDEO
CONVERTER
HDMI_B
HDMI 2
B15B DMMI
1G03
6
K5
See also
Block giagram 4
IBO-ZAPPER
CONTROL
E CONTROL BOARD B17
1703
Channel+
1704
Channel-
1705
Menu
1701
Volume+
1702
Volume-
1706 2 2
Power
J
IR/LED/LIGHT-SENSOR
1040
3040
RC 3 3
+5v2-STBY
IR
SENSOR
6070
1 1
LIGHT-SENSOR
2 2
LIGHT
SENSOR
3051 6051
7051
5 5
+5V2-STBY
LED RED
6060 LED1 4 4
3061
7062 7052
LED GREEN
6 6
LED2
LC4.41E AB
B2 HERCULES
7217
TDA15021H
29 AM
SIF1
4211
QSS Mixer 61
AM Demod. QSS/FM
SIF2 30
33 AD Conv. 4212
60
Std Stereo
AUDIO
Decoder
CONTROL
Vol/Treb/
B4
Bass
Features
DACs
I2SCLK
103
Analog_AudioINL
34
Analog_AudioINR 35
I2S
Processor
B7
I2SDO1
105
49
AUDIO
50
SELECT
ADC/DAC
106
56
57
36
37
62 HER_SC2_AudioOutL
14 HDMI_AudioINL 53
63 HER_SC2_AudioOutR
16 HDMI_AudioINR
54
SIDE CONNECTORS B2 HERCULES
HERCULES
B3 SYNC INTERFACE
3431
+3v3STBY
+3V3STBY
7430
6430
+5VSW
3432
RES
6. 11
B5 AUDIO PROCESSING B16 C2
AUDOUTLSR AUDIO-R 1 1
AUDOUTLSL AUDIO-L 3 3
AUDIO DELAY LINE
(LIPSYNC)
7503 7501
M74HC590 M74HC590
COUNTER COUNTER
7502
CY62256LL
RAM
32kx8
SOUND-ENABLE 8 8
7505
7601
74HC573
TS482ID
LATCH
2 1
6 7
7506
74HC573
OUT_MUTE
MUTE
LATCH
I2SDI1 7602
74HC08PW
HP_DET_R_DC_1
2
3 &
1 SOUND_ENABLE
6 &
5
POWER_DOWN
9
OUT_MUTE
8 &
10 EXT_MUTE
SC1_L_RF_OUT
SC1_R_RF_OUT
SC1_L
OUT_MUTE
MUTE
SC1_R
SC2_L_MON_OUT
SC2_R_MON_OUT
SC2_L
MUTE
SC2_R
7G07
2
15
1
12
14
13
10 DMMI_SC2_REC_SEL
B6
DC-DC CONVERTER
B1
4204
4205
5756
7754
+12VSW
3758
7755
B15A
B15A
B8
+3V3STBY
3759
B5
7756
B5
B6 B2
B15B
B15A
B15B
B7
B7
10
1202
11
24M576
C1 C2
AUDIO: AMPLIFIER AUDIO:
+12_20V
7D14÷7D16 CONNECTORS
7D18
7D10-02
LEFT-SPEAKER
ADAC1
7D18
7D10-3
ADAC2
7D10-01 7D11
-12_20V
FEEDBACK-LR PROT-AUDIOSUPPLY
5M09
FEEDBACK +12_20V
5M12
7D10-04
FEEDBACK-RL
5M09
+12_20V
-12_20V
5M11
7D19÷7D21
7D23
RIGHT-SPEAKER
7D23
MUTE
-12_20V
SOUND-ENABLE
7D25
7D26
MUTE
U-VOLT-DETECT
CONTROL CONTROL
INV-MUTE
B17 D
SIDE SIDE AV
CONNECTORS
10 10 SOUND_L-HEADPHONE-OUT
HP_LOUT
SOUND_R-HEADPHONE-OUT
HP_ROUT 12 12
HP_DET_R_DC_1 11 11 DETECT
B2
B16
B2
B15A SCART ANALOG-IO
1G01-1
SC1_L_RF_OUT
3
SC1_R_RF_OUT
1
SCART 1
1G02-1
SC2_L_MON_OUT 3
SC2_R_MON_OUT 1
SCART 2
PAN_VCC
5757
LVDS_VCC
5700
+3V3SW
7758
1M03
1
3
LEFT
SPEAKER
1M02
7
TO
6
PDP
5 SUPPLY
3
2
1
1M04
1
3
RIGHT
SPEAKER
7
1
2
1
21
EXT 1
1
21
EXT 2
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